On our 08 F-350 Ford. We have a after market guage that monitors all motor parameters including pre turbo EGT. When in regen the EGT temps go up 400/500 degrees. Performance falls off but not all that much under normal driving conditions, you will note it on a long hard pull..MPG will drop 3/4 MPG. If on a long hard pull with the 5th wheel and it goes into regen the cooling fan may come on .Ours did on fancy gap. A normal regen will last 20 mins.
It is easy for me to see a regen as my EGT (exhaust gas temps) go way up and the gauge is right were I can see it.We do get a notification on the computer disply but it only stays on for 10 or so seconds.If you do a reset on the display it will show there.
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